DecompressTex() public method

Takes compressed archived image data and returns the raw image data
public DecompressTex ( Stream archiveStream, int offset, int uncSize, int cprSize ) : byte[]
archiveStream Stream
offset int
uncSize int
cprSize int
return byte[]
Beispiel #1
0
        public void DumpImageData(ImageInfo imgInfo, string archiveDir = null, string fileName = null)
        {
            if (fileName == null)
            {
                fileName = texName + "_" + imgInfo.imgSize + ".bin";
            }

            byte[] imgBuffer;

            switch (imgInfo.storageType)
            {
                case storage.pccSto:
                    imgBuffer = new byte[imgInfo.uncSize];
                    Buffer.BlockCopy(imageData, imgInfo.offset, imgBuffer, 0, imgInfo.uncSize);
                    break;
                case storage.arcCpr:
                case storage.arcUnc:
                    string archivePath = FullArcPath;
                    if (String.IsNullOrEmpty(archivePath))
                        GetTexArchive(archiveDir);
                    if (!File.Exists(archivePath))
                    {
                        throw new FileNotFoundException("Texture archive not found in " + archivePath);
                    }

                    using (FileStream archiveStream = File.OpenRead(archivePath))
                    {
                        //archiveStream.Seek(imgInfo.offset, SeekOrigin.Begin);
                        if (imgInfo.storageType == storage.arcCpr)
                        {
                            SaltLZOHelper lzohelp = new SaltLZOHelper();
                            imgBuffer = lzohelp.DecompressTex(archiveStream, imgInfo.offset, imgInfo.uncSize, imgInfo.cprSize);
                        }
                        else
                        {
                            archiveStream.Seek(imgInfo.offset, SeekOrigin.Begin);
                            imgBuffer = new byte[imgInfo.uncSize];
                            archiveStream.Read(imgBuffer, 0, imgBuffer.Length);
                        }
                    }
                    break;
                default:
                    throw new FormatException("Unsupported texture storage type");
            }
            using (FileStream outputImg = new FileStream(fileName, FileMode.Create, FileAccess.Write))
                outputImg.Write(imgBuffer, 0, imgBuffer.Length);
        }
Beispiel #2
0
        public byte[] extractImage(ImageInfo imgInfo, bool NoOutput, string archiveDir = null, string fileName = null)
        {
            ImageFile imgFile;
            if (fileName == null)
            {
                fileName = texName + "_" + imgInfo.imgSize + getFileFormat();
            }

            byte[] imgBuffer = null;

            switch (imgInfo.storageType)
            {
                case storage.pccSto:
                    imgBuffer = new byte[imgInfo.uncSize];
                    Buffer.BlockCopy(imageData, imgInfo.offset, imgBuffer, 0, imgInfo.uncSize);
                    break;
                case storage.arcCpr:
                case storage.arcUnc:
                    string archivePath = FullArcPath;
                    if (String.IsNullOrEmpty(archivePath))
                        archivePath = GetTexArchive(archiveDir);
                    if (!File.Exists(archivePath))
                    {
                        throw new FileNotFoundException("Texture archive not found in " + archivePath);
                    }

                    using (FileStream archiveStream = File.OpenRead(archivePath))
                    {
                        if (imgInfo.storageType == storage.arcCpr)
                        {
                            SaltLZOHelper lzohelp = new SaltLZOHelper();
                            imgBuffer = lzohelp.DecompressTex(archiveStream, imgInfo.offset, imgInfo.uncSize, imgInfo.cprSize);
                        }
                        else
                        {
                            archiveStream.Seek(imgInfo.offset, SeekOrigin.Begin);
                            imgBuffer = new byte[imgInfo.uncSize];
                            archiveStream.Read(imgBuffer, 0, imgBuffer.Length);
                        }
                    }
                    break;
                default:
                    throw new FormatException("Unsupported texture storage type");
            }

            imgFile = new DDS(fileName, imgInfo.imgSize, texFormat, imgBuffer);
            byte[] saveImg = imgFile.ToArray();

            if (!NoOutput)
                using (FileStream outputImg = new FileStream(imgFile.fileName, FileMode.Create, FileAccess.Write))
                    outputImg.Write(saveImg, 0, saveImg.Length);
            return saveImg;
        }
Beispiel #3
0
        public byte[] DumpImage(ImageSize imgSize, string archiveDir)
        {
            byte[] imgBuff = null;

            ImageInfo imgInfo;
            if (privateimgList.Exists(img => img.imgSize == imgSize))
                imgInfo = privateimgList.Find(img => img.imgSize == imgSize);
            else
                throw new FileNotFoundException("Image with resolution " + imgSize + " not found");

            switch (imgInfo.storageType)
            {
                case storage.pccSto:
                    imgBuff = new byte[imgInfo.uncSize];
                    Buffer.BlockCopy(imageData, imgInfo.offset, imgBuff, 0, imgInfo.uncSize);
                    break;
                case storage.arcCpr:
                case storage.arcUnc:
                    string archivePath = FullArcPath;
                    if (String.IsNullOrEmpty(archivePath))
                        archivePath = GetTexArchive(archiveDir);
                    if (!File.Exists(archivePath))
                        throw new FileNotFoundException("Texture archive not found in " + archivePath);

                    using (FileStream archiveStream = File.OpenRead(archivePath))
                    {
                        if (imgInfo.storageType == storage.arcCpr)
                        {
                            SaltLZOHelper lzohelp = new SaltLZOHelper();
                            imgBuff = lzohelp.DecompressTex(archiveStream, imgInfo.offset, imgInfo.uncSize, imgInfo.cprSize);
                        }
                        else
                        {
                            archiveStream.Seek(imgInfo.offset, SeekOrigin.Begin);
                            imgBuff = new byte[imgInfo.uncSize];
                            archiveStream.Read(imgBuff, 0, imgBuff.Length);
                        }
                    }
                    break;
                default:
                    throw new FormatException("Unsupported texture storage type");
            }
            return imgBuff;
        }
Beispiel #4
0
        public void CopyImgList(ME2Texture2D inTex, ME2PCCObject pcc)
        {
            numMipMaps = inTex.numMipMaps;

            if (properties.ContainsKey("NeverStream") && properties["NeverStream"].Value.IntValue == 1)
            {
                imageData = null;
                GC.Collect();
                // store images as pccSto format
                privateimgList = new List<ImageInfo>();
                MemoryStream tempData = new MemoryStream();

                for (int i = 0; i < inTex.privateimgList.Count; i++)
                {
                    ImageInfo newImg = new ImageInfo();
                    ImageInfo replaceImg = inTex.privateimgList[i];
                    newImg.storageType = storage.pccSto;
                    newImg.uncSize = replaceImg.uncSize;
                    newImg.cprSize = replaceImg.uncSize;
                    newImg.imgSize = replaceImg.imgSize;
                    newImg.offset = (int)(tempData.Position);
                    if (replaceImg.storageType == storage.arcCpr)
                    {
                        string archivePath = inTex.FullArcPath;
                        if (!File.Exists(archivePath))
                            throw new FileNotFoundException("Texture archive not found in " + archivePath);

                        using (FileStream archiveStream = File.OpenRead(archivePath))
                        {
                            archiveStream.Seek(replaceImg.offset, SeekOrigin.Begin);
                            SaltLZOHelper lzohelp = new SaltLZOHelper();
                            tempData.WriteBytes(lzohelp.DecompressTex(archiveStream, replaceImg.offset, replaceImg.uncSize, replaceImg.cprSize));
                        }
                    }
                    else if (replaceImg.storageType == storage.pccSto)
                    {
                        byte[] buffer = new byte[newImg.cprSize];
                        Buffer.BlockCopy(inTex.imageData, replaceImg.offset, buffer, 0, buffer.Length);
                        tempData.WriteBytes(buffer);
                    }
                    else
                        throw new NotImplementedException("Copying from non package stored texture no available");
                    privateimgList.Add(newImg);
                }

                for (int i = 0; i < privateimgList.Count; i++)
                {
                    ImageInfo tempinfo = privateimgList[i];
                    if (inTex.privateimgList[i].storageType == storage.empty)
                        tempinfo.storageType = storage.empty;
                    privateimgList[i] = tempinfo;
                }

                imageData = tempData.ToArray();
                tempData.Close();
                tempData = null;
                GC.Collect();
            }
            else
            {
                imageData = inTex.imageData;
                privateimgList = inTex.privateimgList;
            }

            // add properties "TextureFileCacheName" and "TFCFileGuid" if they are missing,
            if (!properties.ContainsKey("TextureFileCacheName") && inTex.properties.ContainsKey("TextureFileCacheName"))
            {
                SaltPropertyReader.Property none = properties["None"];
                properties.Remove("None");

                SaltPropertyReader.Property property = new SaltPropertyReader.Property();
                property.TypeVal = SaltPropertyReader.Type.NameProperty;
                property.Name = "TextureFileCacheName";
                property.Size = 8;
                SaltPropertyReader.PropertyValue value = new SaltPropertyReader.PropertyValue();
                value.StringValue = "Textures";
                property.Value = value;
                properties.Add("TextureFileCacheName", property);
                arcName = value.StringValue;

                if (!properties.ContainsKey("TFCFileGuid"))
                {
                    SaltPropertyReader.Property guidprop = new SaltPropertyReader.Property();
                    guidprop.TypeVal = SaltPropertyReader.Type.StructProperty;
                    guidprop.Name = "TFCFileGuid";
                    guidprop.Size = 16;
                    SaltPropertyReader.PropertyValue guid = new SaltPropertyReader.PropertyValue();
                    guid.len = guidprop.Size;
                    guid.StringValue = "Guid";
                    guid.IntValue = pcc.AddName(guid.StringValue);
                    guid.Array = new List<SaltPropertyReader.PropertyValue>();
                    for (int i = 0; i < 4; i++)
                        guid.Array.Add(new SaltPropertyReader.PropertyValue());
                    guidprop.Value = guid;
                    properties.Add("TFCFileGuid", guidprop);
                }

                properties.Add("None", none);
            }

            // copy specific properties from inTex
            for (int i = 0; i < inTex.properties.Count; i++)
            {
                SaltPropertyReader.Property prop = inTex.properties.ElementAt(i).Value;
                switch (prop.Name)
                {
                    case "TextureFileCacheName":
                        arcName = prop.Value.StringValue;
                        properties["TextureFileCacheName"].Value.StringValue = arcName;
                        break;
                    case "TFCFileGuid":
                        SaltPropertyReader.Property GUIDProp = properties["TFCFileGuid"];
                        for (int l = 0; l < 4; l++)
                        {
                            SaltPropertyReader.PropertyValue tempVal = GUIDProp.Value.Array[l];
                            tempVal.IntValue = prop.Value.Array[l].IntValue;
                            GUIDProp.Value.Array[l] = tempVal;
                        }
                        break;
                    case "MipTailBaseIdx":
                        properties["MipTailBaseIdx"].Value.IntValue = prop.Value.IntValue;
                        break;
                    case "SizeX":
                        properties["SizeX"].Value.IntValue = prop.Value.IntValue;
                        break;
                    case "SizeY":
                        properties["SizeY"].Value.IntValue = prop.Value.IntValue;
                        break;
                }
            }
        }
Beispiel #5
0
        public byte[] extractImage(ImageInfo imgInfo, bool NoOutput, string archiveDir = null, string fileName = null)
        {
            ImageFile imgFile;
            if (fileName == null)
                fileName = texName + "_" + imgInfo.imgSize + getFileFormat();

            byte[] imgBuffer = null;

            switch (imgInfo.storageType)
            {
                case storage.pccSto:
                    imgBuffer = new byte[imgInfo.uncSize];
                    Buffer.BlockCopy(imageData, imgInfo.offset, imgBuffer, 0, imgInfo.uncSize);
                    break;
                case storage.arcCpr:
                case storage.arcUnc:
                    string archivePath = FindFile();
                    if (String.IsNullOrEmpty(archivePath))
                        throw new FileNotFoundException();
                    ME1PCCObject temp = new ME1PCCObject(archivePath);
                    for (int i = 0; i < temp.ExportCount; i++)
                    {
                        if (String.Compare(texName, temp.Exports[i].ObjectName, true) == 0 && temp.Exports[i].ValidTextureClass())
                        {
                            ME1Texture2D temptex = new ME1Texture2D(temp, i);
                            imgBuffer = temptex.extractImage(imgInfo.imgSize.ToString(), NoOutput, null, fileName);
                            //                            temptex.extractImage(imgInfo.imgSize.ToString(), temp, null, fileName);
                        }
                    }
                    break;
                case storage.pccCpr:
                    using (MemoryStream ms = new MemoryStream(imageData))
                    {
                        SaltLZOHelper lzohelp = new SaltLZOHelper();
                        imgBuffer = lzohelp.DecompressTex(ms, imgInfo.offset, imgInfo.uncSize, imgInfo.cprSize);
                    }
                    break;
                default:
                    throw new FormatException("Unsupported texture storage type");
            }

            if (imgInfo.storageType == storage.pccSto || imgInfo.storageType == storage.pccCpr)
            {
                if (getFileFormat() == ".dds")
                    imgFile = new DDS(fileName, imgInfo.imgSize, texFormat, imgBuffer);
                else
                    imgFile = new TGA(fileName, imgInfo.imgSize, texFormat, imgBuffer);

                byte[] saveImg = imgFile.ToArray();

                if (!NoOutput)
                    using (FileStream outputImg = new FileStream(imgFile.fileName, FileMode.Create, FileAccess.Write))
                        outputImg.Write(saveImg, 0, saveImg.Length);
                return saveImg;
            }
            return imgBuffer;
        }
Beispiel #6
0
        public byte[] DumpImage(ImageSize imgSize)
        {
            byte[] imgBuffer = null;

            ImageInfo imgInfo;
            if (privateimgList.Exists(img => (img.imgSize == imgSize && img.cprSize != -1)))
                imgInfo = privateimgList.Find(img => img.imgSize == imgSize);
            else
                //throw new FileNotFoundException("Image with resolution " + imgSize + " not found");
                return null;
            switch (imgInfo.storageType)
            {
                case storage.pccSto:
                    imgBuffer = new byte[imgInfo.uncSize];
                    Buffer.BlockCopy(imageData, imgInfo.offset, imgBuffer, 0, imgInfo.uncSize);
                    break;
                case storage.arcCpr:
                case storage.arcUnc:
                    string archivePath = FindFile();
                    if (String.IsNullOrEmpty(archivePath))
                        throw new FileNotFoundException();
                    ME1PCCObject temp = new ME1PCCObject(archivePath);
                    for (int i = 0; i < temp.ExportCount; i++)
                    {
                        if (String.Compare(texName, temp.Exports[i].ObjectName, true) == 0 && (temp.Exports[i].ClassName == "Texture2D"))// || temp.Exports[i].ClassName == "TextureFlipBook"))
                        {
                            ME1Texture2D temptex = new ME1Texture2D(temp, i);
                            /*if (imgSize.width > dims)
                            {
                                dims = (int) imgSize.width;*/
                            byte[] temp1 = temptex.DumpImage(imgSize);
                            if (temp1 != null)
                                imgBuffer = temp1;
                            //}

                        }
                    }
                    break;
                case storage.pccCpr:
                    using (MemoryStream ms = new MemoryStream(imageData))
                    {
                        SaltLZOHelper lzohelp = new SaltLZOHelper();
                        imgBuffer = lzohelp.DecompressTex(ms, imgInfo.offset, imgInfo.uncSize, imgInfo.cprSize);
                    }
                    break;
                default:
                    throw new FormatException("Unsupported texture storage type");
                    imgBuffer = null;
                    break;
            }

            return imgBuffer;
        }
Beispiel #7
0
        public void CopyImgList(ME1Texture2D inTex, ME1PCCObject pcc, bool norender = false)
        {
            List<ImageInfo> tempList = new List<ImageInfo>();
            MemoryStream tempData = new MemoryStream();
            SaltLZOHelper lzo = new SaltLZOHelper();
            numMipMaps = inTex.numMipMaps;

            // forced norenderfix
            // norender = true;

            int type = -1;
            if (!norender)
            {
                if (privateimgList.Exists(img => img.storageType == storage.arcCpr) && privateimgList.Count > 1)
                    type = 1;
                else if (privateimgList.Exists(img => img.storageType == storage.pccCpr))
                    type = 2;
                else if (privateimgList.Exists(img => img.storageType == storage.pccSto) || privateimgList.Count == 1)
                    type = 3;
            }
            else
                type = 3;

            switch (type)
            {
                case 1:
                    for (int i = 0; i < inTex.privateimgList.Count; i++)
                    {
                        try
                        {
                            ImageInfo newImg = new ImageInfo();
                            ImageInfo replaceImg = inTex.privateimgList[i];
                            ME1Texture2D.storage replaceType = privateimgList.Find(img => img.imgSize == replaceImg.imgSize).storageType;

                            int j = 0;
                            while (replaceType == storage.empty)
                            {
                                j++;
                                replaceType = privateimgList[privateimgList.FindIndex(img => img.imgSize == replaceImg.imgSize) + j].storageType;
                            }

                            if (replaceType == storage.arcCpr || !privateimgList.Exists(img => img.imgSize == replaceImg.imgSize))
                            {
                                newImg.storageType = storage.arcCpr;
                                newImg.uncSize = replaceImg.uncSize;
                                newImg.cprSize = replaceImg.cprSize;
                                newImg.imgSize = replaceImg.imgSize;
                                newImg.offset = (int)(replaceImg.offset + inTex.pccOffset + inTex.dataOffset);
                            }
                            else
                            {
                                newImg.storageType = storage.pccSto;
                                newImg.uncSize = replaceImg.uncSize;
                                newImg.cprSize = replaceImg.uncSize;
                                newImg.imgSize = replaceImg.imgSize;
                                newImg.offset = (int)(tempData.Position);
                                using (MemoryStream tempStream = new MemoryStream(inTex.imageData))
                                {
                                    tempData.WriteBytes(lzo.DecompressTex(tempStream, replaceImg.offset, replaceImg.uncSize, replaceImg.cprSize));
                                }
                            }
                            tempList.Add(newImg);
                        }
                        catch
                        {
                            ImageInfo replaceImg = inTex.privateimgList[i];
                            if (!privateimgList.Exists(img => img.imgSize == replaceImg.imgSize))
                                throw new Exception("An error occurred during imglist copying and no suitable replacement was found");
                            ImageInfo newImg = privateimgList.Find(img => img.imgSize == replaceImg.imgSize);
                            if (newImg.storageType != storage.pccCpr && newImg.storageType != storage.pccSto)
                                throw new Exception("An error occurred during imglist copying and no suitable replacement was found");
                            int temppos = newImg.offset;
                            newImg.offset = (int)tempData.Position;
                            tempData.Write(imageData, temppos, newImg.cprSize);
                            tempList.Add(newImg);
                        }
                    }
                    break;
                case 2:
                    for (int i = 0; i < inTex.privateimgList.Count; i++)
                    {
                        ImageInfo newImg = new ImageInfo();
                        ImageInfo replaceImg = inTex.privateimgList[i];
                        newImg.storageType = storage.pccCpr;
                        newImg.uncSize = replaceImg.uncSize;
                        newImg.cprSize = replaceImg.cprSize;
                        newImg.imgSize = replaceImg.imgSize;
                        newImg.offset = (int)(tempData.Position);
                        byte[] buffer = new byte[newImg.cprSize];
                        Buffer.BlockCopy(inTex.imageData, replaceImg.offset, buffer, 0, buffer.Length);
                        tempData.WriteBytes(buffer);
                        tempList.Add(newImg);
                    }
                    break;
                case 3:
                    for (int i = 0; i < inTex.privateimgList.Count; i++)
                    {
                        ImageInfo newImg = new ImageInfo();
                        ImageInfo replaceImg = inTex.privateimgList[i];
                        newImg.storageType = storage.pccSto;
                        newImg.uncSize = replaceImg.uncSize;
                        newImg.cprSize = replaceImg.uncSize;
                        newImg.imgSize = replaceImg.imgSize;
                        newImg.offset = (int)(tempData.Position);
                        if (replaceImg.storageType == storage.pccCpr)
                        {
                            using (MemoryStream tempStream = new MemoryStream(inTex.imageData))
                            {
                                tempData.WriteBytes(lzo.DecompressTex(tempStream, replaceImg.offset, replaceImg.uncSize, replaceImg.cprSize));
                            }
                        }
                        else if (replaceImg.storageType == storage.pccSto)
                        {
                            byte[] buffer = new byte[newImg.cprSize];
                            Buffer.BlockCopy(inTex.imageData, replaceImg.offset, buffer, 0, buffer.Length);
                            tempData.WriteBytes(buffer);
                        }
                        else
                            throw new NotImplementedException("Copying from non package stored texture no available");
                        tempList.Add(newImg);
                    }
                    break;
                default:
                    throw new NotImplementedException();
            }

            for (int i = 0; i < tempList.Count; i++)
            {
                ImageInfo tempinfo = tempList[i];
                if (inTex.privateimgList[i].storageType == storage.empty)
                    tempinfo.storageType = storage.empty;
                tempList[i] = tempinfo;
            }

            privateimgList = tempList;
            imageData = tempData.ToArray();
            tempData.Close();

            byte[] buff;
            //Copy properties
            using (MemoryStream tempMem = new MemoryStream())
            {
                tempMem.WriteBytes(headerData);
                for (int i = 0; i < inTex.properties.Count; i++)
                {
                    SaltPropertyReader.Property prop = inTex.properties.ElementAt(i).Value;

                    if (prop.Name == "UnpackMin")
                    {
                        for (int j = 0; j < inTex.UnpackNum; j++)
                        {
                            tempMem.WriteValueS64(pcc.AddName(prop.Name));
                            tempMem.WriteValueS64(pcc.AddName(prop.TypeVal.ToString()));
                            tempMem.WriteValueS32(prop.Size);
                            tempMem.WriteValueS32(j);
                            tempMem.WriteValueF32(prop.Value.FloatValue, Endian.Little);
                        }
                        continue;
                    }

                    tempMem.WriteValueS64(pcc.AddName(prop.Name));
                    if (prop.Name == "None")
                    {
                        for (int j = 0; j < 12; j++)
                            tempMem.WriteByte(0);
                    }
                    else
                    {
                        tempMem.WriteValueS64(pcc.AddName(prop.TypeVal.ToString()));
                        tempMem.WriteValueS64(prop.Size);

                        switch (prop.TypeVal)
                        {
                            case SaltPropertyReader.Type.IntProperty:
                                tempMem.WriteValueS32(prop.Value.IntValue);
                                break;
                            case SaltPropertyReader.Type.BoolProperty:
                                tempMem.Seek(-4, SeekOrigin.Current);
                                tempMem.WriteValueS32(prop.Value.IntValue);
                                tempMem.Seek(4, SeekOrigin.Current);
                                break;
                            case SaltPropertyReader.Type.NameProperty:
                                tempMem.WriteValueS64(pcc.AddName(prop.Value.StringValue));
                                // Heff: Modified to handle name references.
                                //var index = pcc.AddName(prop.Value.StringValue);
                                //tempMem.WriteValueS32(index);
                                //tempMem.WriteValueS32(prop.Value.NameValue.count);
                                break;
                            case SaltPropertyReader.Type.StrProperty:
                                tempMem.WriteValueS32(prop.Value.StringValue.Length + 1);
                                foreach (char c in prop.Value.StringValue)
                                    tempMem.WriteByte((byte)c);
                                tempMem.WriteByte(0);
                                break;
                            case SaltPropertyReader.Type.StructProperty:
                                tempMem.WriteValueS64(pcc.AddName(prop.Value.StringValue));
                                foreach (SaltPropertyReader.PropertyValue value in prop.Value.Array)
                                    tempMem.WriteValueS32(value.IntValue);
                                break;
                            case SaltPropertyReader.Type.ByteProperty:
                                tempMem.WriteValueS32(pcc.AddName(prop.Value.StringValue));
                                tempMem.WriteValueS32(prop.Value.IntValue);
                                break;
                            case SaltPropertyReader.Type.FloatProperty:
                                tempMem.WriteValueF32(prop.Value.FloatValue, Endian.Little);
                                break;
                            default:
                                throw new FormatException("unknown property");
                        }
                    }
                }
                buff = tempMem.ToArray();
            }

            int propertiesOffset = SaltPropertyReader.detectStart(pcc, buff);
            headerData = new byte[propertiesOffset];
            Buffer.BlockCopy(buff, 0, headerData, 0, propertiesOffset);
            properties = new Dictionary<string, SaltPropertyReader.Property>();
            List<SaltPropertyReader.Property> tempProperties = SaltPropertyReader.getPropList(pcc, buff);
            UnpackNum = 0;
            for (int i = 0; i < tempProperties.Count; i++)
            {
                SaltPropertyReader.Property property = tempProperties[i];
                if (property.Name == "UnpackMin")
                    UnpackNum++;

                if (!properties.ContainsKey(property.Name))
                    properties.Add(property.Name, property);

                switch (property.Name)
                {
                    case "Format": texFormat = property.Value.StringValue; break;
                    case "LODGroup": LODGroup = property.Value.StringValue; break;
                    case "CompressionSettings": Compression = property.Value.StringValue; break;
                    case "None": dataOffset = (uint)(property.offsetval + property.Size); break;
                }
            }

            // if "None" property isn't found throws an exception
            if (dataOffset == 0)
                throw new Exception("\"None\" property not found");
        }